.\"	$OpenBSD: csh.a,v 1.5 2010/07/22 08:30:29 jmc Exp $
.\"	$NetBSD: csh.a,v 1.3 1995/03/21 09:03:41 cgd Exp $
.\"
.\" Copyright (c) 1980, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"	@(#)csh.a	8.1 (Berkeley) 6/8/93
.\"
.SH
Appendix \- Special characters
.LP
The following table lists the special characters of
.I csh
and the UNIX system, giving for each the section(s) in which it
is discussed.
A number of these characters also have special meaning in expressions.
See the
.I csh
manual section
for a complete list.
.ta .75i 1.5i 2.25i
.LP
Syntactic metacharacters
.DS
;	2.4	separates commands to be executed sequentially
|	1.5	separates commands in a pipeline
( )	2.2,3.6	brackets expressions and variable values
&	2.5	follows commands to be executed without waiting for completion
.DE
.LP
Filename metacharacters
.DS
/	1.6	separates components of a file's pathname
\&.	1.6	separates root parts of a file name from extensions
?	1.6	expansion character matching any single character
*	1.6	expansion character matching any sequence of characters
[ ]	1.6	expansion sequence matching any single character from a set
~	1.6	used at the beginning of a filename to indicate home directories
{ }	4.2	used to specify groups of arguments with common parts
.DE
.LP
Quotation metacharacters
.DS
\e	1.7	prevents meta-meaning of following single character
\'	1.7	prevents meta-meaning of a group of characters
"	4.3	like \', but allows variable and command expansion
.DE
.LP
Input/output metacharacters
.DS
<	1.5	indicates redirected input
>	1.3	indicates redirected output
.DE
.LP
Expansion/substitution metacharacters
.DS
$	3.4	indicates variable substitution
!	2.3	indicates history substitution
:	3.6	precedes substitution modifiers
^	2.3	used in special forms of history substitution
\`	4.3	indicates command substitution
.DE
.LP
Other metacharacters
.DS
#	1.3,3.6	begins scratch file names; indicates shell comments
\-	1.2	prefixes option (flag) arguments to commands
%	2.6	prefixes job name specifications
.DE
.bp
